Oil & Gas
| Mon 09 Feb 2026
Beijing, Feb. 10 -- China Oilfield Services has submitted a patent application for Logging Torpedo. This invention was developed by Tan Shengwen, Jia Lizhu, Li Dong, Peng Shuo, Chen Lin, Li Guang, Che Yusheng, Li Yang, Li Zhenxing, Li Peiying, Liu Hongqi, Huo Changqing, Yu Wei and Zhang Wenlong.
The patent application number ..